PatchSiren cyber security CVE debrief
CVE-2026-8991 glenwpcoder CVE debrief
The Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'drag_n_drop_text' and 'drag_n_drop_browse_text' Settings in all versions up to, and including, 1.3.9.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- Vendor
- glenwpcoder
- Product
- Drag and Drop Multiple File Upload for Contact Form 7
- CVSS
- MEDIUM 4.4
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-06
- Original CVE updated
- 2026-07-23
- Advisory published
- 2026-06-06
- Advisory updated
- 2026-07-23
Who should care
Users of the Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress, particularly those with administrator-level access and above.
Technical summary
The vulnerability exists in the Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress, affecting all versions up to and including 1.3.9.7. It is caused by insufficient input sanitization and output escaping in the 'drag_n_drop_text' and 'drag_n_drop_browse_text' settings. This allows authenticated attackers with administrator-level access and above to inject arbitrary web scripts into pages, which will execute when a user accesses the injected page.
Defensive priority
MEDIUM
Recommended defensive actions
- Update the Drag and Drop Multiple File Upload for Contact Form 7 plugin to a version beyond 1.3.9.7.
- Restrict administrator-level access and above to trusted users only.
- Monitor pages for injected scripts.
Evidence notes
The CVE-2026-8991 record and associated details were obtained from official sources.
Sources and references
Verified primary and authoritative sources
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CVE-2026-8991 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-8991
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-8991 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-8991
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tags/1.3.9.6/assets/js/codedropz-uploader-min.js
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tags/1.3.9.6/inc/dnd-upload-cf7.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tags/1.3.9.6/inc/dnd-upload-cf7.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tags/1.3.9.7/assets/js/codedropz-uploader-min.js
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tags/1.3.9.7/inc/dnd-upload-cf7.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tags/1.3.9.7/inc/dnd-upload-cf7.php
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.